40036736670 has 64 divisors (see below), whose sum is σ = 109832094720. Its totient is φ = 9149833728.

The previous prime is 40036736659. The next prime is 40036736689. The reversal of 40036736670 is 7663763004.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1980534 + ... + 2000646.

It is an arithmetic number, because the mean of its divisors is an integer number (1716126480).

Almost surely, 2^40036736670 is an apocalyptic number.

40036736670 is an abundant number, since it is smaller than the sum of its proper divisors (69795358050).

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

40036736670 is a wasteful number, since it uses less digits than its factorization.

40036736670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29609.

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 40036736670 in words is "forty billion, thirty-six million, seven hundred thirty-six thousand, six hundred seventy".