40129152740 has 24 divisors (see below), whose sum is σ = 84401497152. Its totient is φ = 16026846560.

The previous prime is 40129152709. The next prime is 40129152797. The reversal of 40129152740 is 4725192104.

40129152740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40129152740² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40129152740.

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, 1537646 + ... + 1563525.

It is an arithmetic number, because the mean of its divisors is an integer number (3516729048).

Almost surely, 2^40129152740 is an apocalyptic number.

It is an amenable number.

40129152740 is an abundant number, since it is smaller than the sum of its proper divisors (44272344412).

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

40129152740 is a wasteful number, since it uses less digits than its factorization.

40129152740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101827 (or 3101825 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 40129152740 in words is "forty billion, one hundred twenty-nine million, one hundred fifty-two thousand, seven hundred forty".