40157433234 has 64 divisors (see below), whose sum is σ = 93160108800. Its totient is φ = 12798124416.

The previous prime is 40157433209. The next prime is 40157433241. The reversal of 40157433234 is 43233475104.

40157433234 is a `hidden beast` number, since 40 + 157 + 433 + 2 + 34 = 666.

It is a super-2 number, since 2×40157433234² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3458142 + ... + 3469734.

It is an arithmetic number, because the mean of its divisors is an integer number (1455626700).

Almost surely, 2^40157433234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40157433234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46580054400).

40157433234 is an abundant number, since it is smaller than the sum of its proper divisors (53002675566).

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

40157433234 is a wasteful number, since it uses less digits than its factorization.

40157433234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416 (or 14410 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 40157433234 in words is "forty billion, one hundred fifty-seven million, four hundred thirty-three thousand, two hundred thirty-four".