40428685200 has 60 divisors (see below), whose sum is σ = 129506558768. Its totient is φ = 10780982400.

The previous prime is 40428685189. The next prime is 40428685217. The reversal of 40428685200 is 258682404.

40428685200 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 (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16844086 + ... + 16846485.

Almost surely, 2^40428685200 is an apocalyptic number.

40428685200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40428685200 is an abundant number, since it is smaller than the sum of its proper divisors (89077873568).

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

40428685200 is a wasteful number, since it uses less digits than its factorization.

40428685200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33690592 (or 33690581 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 40428685200 in words is "forty billion, four hundred twenty-eight million, six hundred eighty-five thousand, two hundred".