40452215628 has 48 divisors (see below), whose sum is σ = 103564532736. Its totient is φ = 12187383360.

The previous prime is 40452215627. The next prime is 40452215651. The reversal of 40452215628 is 82651225404.

40452215628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40452215627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862876 + ... + 908547.

It is an arithmetic number, because the mean of its divisors is an integer number (2157594432).

Almost surely, 2^40452215628 is an apocalyptic number.

It is an amenable number.

40452215628 is an abundant number, since it is smaller than the sum of its proper divisors (63112317108).

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

40452215628 is a wasteful number, since it uses less digits than its factorization.

40452215628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771614 (or 1771612 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 40452215628 in words is "forty billion, four hundred fifty-two million, two hundred fifteen thousand, six hundred twenty-eight".