60431940 has 192 divisors, whose sum is σ = 206841600. Its totient is φ = 14579712.

The previous prime is 60431939. The next prime is 60431941. The reversal of 60431940 is 4913406.

60431940 is a `hidden beast` number, since 604 + 3 + 19 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (60431939) and next prime (60431941).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60431941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266107 + ... + 266333.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^60431940 is an apocalyptic number.

60431940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60431940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103420800).

60431940 is an abundant number, since it is smaller than the sum of its proper divisors (146409660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60431940 is a wasteful number, since it uses less digits than its factorization.

60431940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 60431940 is about 7773.7982994158. The cubic root of 60431940 is about 392.4239564908.

It can be divided in two parts, 60 and 431940, that multiplied together give a triangular number (25916400 = T₇₁₉₉).

The spelling of 60431940 in words is "sixty million, four hundred thirty-one thousand, nine hundred forty".