40744370072 has 32 divisors (see below), whose sum is σ = 87317788320. Its totient is φ = 17460188160.

The previous prime is 40744370003. The next prime is 40744370081. The reversal of 40744370072 is 27007344704.

It is a happy number.

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, 679118 + ... + 736674.

It is an arithmetic number, because the mean of its divisors is an integer number (2728680885).

Almost surely, 2^40744370072 is an apocalyptic number.

It is an amenable number.

40744370072 is an abundant number, since it is smaller than the sum of its proper divisors (46573418248).

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

40744370072 is a wasteful number, since it uses less digits than its factorization.

40744370072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70211 (or 70207 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 38.

The spelling of 40744370072 in words is "forty billion, seven hundred forty-four million, three hundred seventy thousand, seventy-two".