40070673738 has 24 divisors (see below), whose sum is σ = 90594567648. Its totient is φ = 12776156712.

The previous prime is 40070673737. The next prime is 40070673743. The reversal of 40070673738 is 83737607004.

40070673738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40070673693 and 40070673702.

It is not an unprimeable number, because it can be changed into a prime (40070673733) 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, 48394120 + ... + 48394947.

It is an arithmetic number, because the mean of its divisors is an integer number (3774773652).

Almost surely, 2^40070673738 is an apocalyptic number.

40070673738 is an abundant number, since it is smaller than the sum of its proper divisors (50523893910).

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

40070673738 is a wasteful number, since it uses less digits than its factorization.

40070673738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96789098 (or 96789095 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 40070673738 in words is "forty billion, seventy million, six hundred seventy-three thousand, seven hundred thirty-eight".