475399651680 has 144 divisors (see below), whose sum is σ = 1640529858240. Its totient is φ = 125348788224.

The previous prime is 475399651651. The next prime is 475399651709. The reversal of 475399651680 is 86156993574.

475399651680 is a `hidden beast` number, since 4 + 7 + 5 + 39 + 9 + 6 + 516 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (475399651651) and next prime (475399651709).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1726552 + ... + 1982871.

It is an arithmetic number, because the mean of its divisors is an integer number (11392568460).

Almost surely, 2^475399651680 is an apocalyptic number.

475399651680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475399651680 is an abundant number, since it is smaller than the sum of its proper divisors (1165130206560).

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

475399651680 is a wasteful number, since it uses less digits than its factorization.

475399651680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709533 (or 3709522 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 475399651680 in words is "four hundred seventy-five billion, three hundred ninety-nine million, six hundred fifty-one thousand, six hundred eighty".