39928437460 has 48 divisors (see below), whose sum is σ = 88298179200. Its totient is φ = 15136792704.

The previous prime is 39928437427. The next prime is 39928437463. The reversal of 39928437460 is 6473482993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39928437463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348030 + ... + 448309.

It is an arithmetic number, because the mean of its divisors is an integer number (1839545400).

Almost surely, 2^39928437460 is an apocalyptic number.

It is an amenable number.

39928437460 is an abundant number, since it is smaller than the sum of its proper divisors (48369741740).

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

39928437460 is a wasteful number, since it uses less digits than its factorization.

39928437460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796480 (or 796478 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 39928437460 in words is "thirty-nine billion, nine hundred twenty-eight million, four hundred thirty-seven thousand, four hundred sixty".