40530638496 has 96 divisors (see below), whose sum is σ = 110155973760. Its totient is φ = 13033165824.

The previous prime is 40530638483. The next prime is 40530638513. The reversal of 40530638496 is 69483603504.

40530638496 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 (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3621966 + ... + 3633138.

It is an arithmetic number, because the mean of its divisors is an integer number (1147458060).

Almost surely, 2^40530638496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40530638496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55077986880).

40530638496 is an abundant number, since it is smaller than the sum of its proper divisors (69625335264).

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

40530638496 is a wasteful number, since it uses less digits than its factorization.

40530638496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12518 (or 12510 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 40530638496 in words is "forty billion, five hundred thirty million, six hundred thirty-eight thousand, four hundred ninety-six".