40622257632 has 48 divisors (see below), whose sum is σ = 116327377152. Its totient is φ = 12309774720.

The previous prime is 40622257609. The next prime is 40622257633. The reversal of 40622257632 is 23675222604.

40622257632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40622257633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19232968 + ... + 19235079.

It is an arithmetic number, because the mean of its divisors is an integer number (2423487024).

Almost surely, 2^40622257632 is an apocalyptic number.

It is an amenable number.

40622257632 is an abundant number, since it is smaller than the sum of its proper divisors (75705119520).

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

40622257632 is a wasteful number, since it uses less digits than its factorization.

40622257632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38468071 (or 38468063 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 40622257632 in words is "forty billion, six hundred twenty-two million, two hundred fifty-seven thousand, six hundred thirty-two".