40642511622 has 64 divisors (see below), whose sum is σ = 86925864960. Its totient is φ = 12640118400.

The previous prime is 40642511579. The next prime is 40642511633. The reversal of 40642511622 is 22611524604.

40642511622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4002672 + ... + 4012812.

It is an arithmetic number, because the mean of its divisors is an integer number (1358216640).

Almost surely, 2^40642511622 is an apocalyptic number.

40642511622 is an abundant number, since it is smaller than the sum of its proper divisors (46283353338).

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

40642511622 is a wasteful number, since it uses less digits than its factorization.

40642511622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 40642511622 in words is "forty billion, six hundred forty-two million, five hundred eleven thousand, six hundred twenty-two".