60400431 has 96 divisors (see below), whose sum is σ = 116183040. Its totient is φ = 30326400.

The previous prime is 60400409. The next prime is 60400441. The reversal of 60400431 is 13400406.

It is not a de Polignac number, because 60400431 - 2⁵ = 60400399 is a prime.

It is a super-2 number, since 2×60400431² = 7296424129971522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60400441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 990141 + ... + 990201.

It is an arithmetic number, because the mean of its divisors is an integer number (1210240).

Almost surely, 2^60400431 is an apocalyptic number.

60400431 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

60400431 is a deficient number, since it is larger than the sum of its proper divisors (55782609).

60400431 is a wasteful number, since it uses less digits than its factorization.

60400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 60400431 is about 7771.7714196958. The cubic root of 60400431 is about 392.3557418123.

Adding to 60400431 its reverse (13400406), we get a palindrome (73800837).

The spelling of 60400431 in words is "sixty million, four hundred thousand, four hundred thirty-one".