473687153840 has 80 divisors (see below), whose sum is σ = 1129284825312. Its totient is φ = 184722481152.

The previous prime is 473687153813. The next prime is 473687153879. The reversal of 473687153840 is 48351786374.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 64382 + ... + 975458.

Almost surely, 2^473687153840 is an apocalyptic number.

473687153840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 473687153840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564642412656).

473687153840 is an abundant number, since it is smaller than the sum of its proper divisors (655597671472).

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

473687153840 is a wasteful number, since it uses less digits than its factorization.

473687153840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911254 (or 911248 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 473687153840 in words is "four hundred seventy-three billion, six hundred eighty-seven million, one hundred fifty-three thousand, eight hundred forty".