40157773734 has 32 divisors (see below), whose sum is σ = 86577732864. Its totient is φ = 12344228640.

The previous prime is 40157773727. The next prime is 40157773739. The reversal of 40157773734 is 43737775104.

It is a super-2 number, since 2×40157773734² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40157773739) 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, 169264 + ... + 330099.

It is an arithmetic number, because the mean of its divisors is an integer number (2705554152).

Almost surely, 2^40157773734 is an apocalyptic number.

40157773734 is an abundant number, since it is smaller than the sum of its proper divisors (46419959130).

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

40157773734 is a wasteful number, since it uses less digits than its factorization.

40157773734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500412.

The product of its (nonzero) digits is 1728720, while the sum is 48.

The spelling of 40157773734 in words is "forty billion, one hundred fifty-seven million, seven hundred seventy-three thousand, seven hundred thirty-four".