40157526367640 has 32 divisors (see below), whose sum is σ = 98568473812560. Its totient is φ = 14602736860800.

The previous prime is 40157526367633. The next prime is 40157526367661. The reversal of 40157526367640 is 4676362575104.

It is a happy number.

It is a super-2 number, since 2×40157526367640² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45633552251 + ... + 45633553130.

Almost surely, 2^{40157526367640} is an apocalyptic number.

40157526367640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40157526367640 is an abundant number, since it is smaller than the sum of its proper divisors (58410947444920).

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

40157526367640 is a wasteful number, since it uses less digits than its factorization.

40157526367640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91267105403 (or 91267105399 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 40157526367640 in words is "forty trillion, one hundred fifty-seven billion, five hundred twenty-six million, three hundred sixty-seven thousand, six hundred forty".