40245045546 has 32 divisors (see below), whose sum is σ = 82036048320. Its totient is φ = 13157524224.

The previous prime is 40245045499. The next prime is 40245045551. The reversal of 40245045546 is 64554054204.

40245045546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40245045546² (a number of 22 digits) contains 22 as substring.

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, 1016946 + ... + 1055778.

It is an arithmetic number, because the mean of its divisors is an integer number (2563626510).

Almost surely, 2^40245045546 is an apocalyptic number.

40245045546 is an abundant number, since it is smaller than the sum of its proper divisors (41791002774).

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

40245045546 is a wasteful number, since it uses less digits than its factorization.

40245045546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42150.

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 40245045546 in words is "forty billion, two hundred forty-five million, forty-five thousand, five hundred forty-six".