60019399440 has 1600 divisors, whose sum is σ = 295221104640. Its totient is φ = 10883911680.

The previous prime is 60019399423. The next prime is 60019399471. The reversal of 60019399440 is 4499391006.

60019399440 is a `hidden beast` number, since 600 + 1 + 9 + 39 + 9 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 123242877 + ... + 123243363.

Almost surely, 2^60019399440 is an apocalyptic number.

60019399440 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 60019399440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147610552320).

60019399440 is an abundant number, since it is smaller than the sum of its proper divisors (235201705200).

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

60019399440 is a wasteful number, since it uses less digits than its factorization.

60019399440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 60019399440 in words is "sixty billion, nineteen million, three hundred ninety-nine thousand, four hundred forty".