40307256016 has 40 divisors (see below), whose sum is σ = 82607123520. Its totient is φ = 19013296896.

The previous prime is 40307256007. The next prime is 40307256019. The reversal of 40307256016 is 61065270304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40307256019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723346 + ... + 777073.

It is an arithmetic number, because the mean of its divisors is an integer number (2065178088).

Almost surely, 2^40307256016 is an apocalyptic number.

40307256016 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40307256016 is an abundant number, since it is smaller than the sum of its proper divisors (42299867504).

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

40307256016 is a wasteful number, since it uses less digits than its factorization.

40307256016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500523 (or 1500517 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 40307256016 in words is "forty billion, three hundred seven million, two hundred fifty-six thousand, sixteen".