40447770090 has 64 divisors (see below), whose sum is σ = 119476498176. Its totient is φ = 8534034432.

The previous prime is 40447770089. The next prime is 40447770109. The reversal of 40447770090 is 9007774404.

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

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, 7405287 + ... + 7410746.

It is an arithmetic number, because the mean of its divisors is an integer number (1866820284).

Almost surely, 2^40447770090 is an apocalyptic number.

40447770090 is an abundant number, since it is smaller than the sum of its proper divisors (79028728086).

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

40447770090 is a wasteful number, since it uses less digits than its factorization.

40447770090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14816063.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 40447770090 in words is "forty billion, four hundred forty-seven million, seven hundred seventy thousand, ninety".