40102696872 has 48 divisors (see below), whose sum is σ = 124127396640. Its totient is φ = 11457913248.

The previous prime is 40102696871. The next prime is 40102696877. The reversal of 40102696872 is 27869620104.

It is a happy number.

40102696872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40102696871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39783918 + ... + 39784925.

It is an arithmetic number, because the mean of its divisors is an integer number (2585987430).

Almost surely, 2^40102696872 is an apocalyptic number.

40102696872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40102696872 is an abundant number, since it is smaller than the sum of its proper divisors (84024699768).

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

40102696872 is a wasteful number, since it uses less digits than its factorization.

40102696872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79568862 (or 79568855 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 40102696872 in words is "forty billion, one hundred two million, six hundred ninety-six thousand, eight hundred seventy-two".