428372615400 has 48 divisors (see below), whose sum is σ = 1327955109600. Its totient is φ = 114232697280.

The previous prime is 428372615389. The next prime is 428372615417. The reversal of 428372615400 is 4516273824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356976580 + ... + 356977779.

It is an arithmetic number, because the mean of its divisors is an integer number (27665731450).

Almost surely, 2^428372615400 is an apocalyptic number.

428372615400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428372615400 is an abundant number, since it is smaller than the sum of its proper divisors (899582494200).

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

428372615400 is a wasteful number, since it uses less digits than its factorization.

428372615400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713954378 (or 713954369 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 428372615400 in words is "four hundred twenty-eight billion, three hundred seventy-two million, six hundred fifteen thousand, four hundred".