1623701882640 has 80 divisors (see below), whose sum is σ = 5035273668288. Its totient is φ = 432832516608.

The previous prime is 1623701882629. The next prime is 1623701882651. The reversal of 1623701882640 is 462881073261.

It is an interprime number because it is at equal distance from previous prime (1623701882629) and next prime (1623701882651).

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1623701882640.

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, 534099 + ... + 1879538.

Almost surely, 2^{1623701882640} is an apocalyptic number.

1623701882640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1623701882640 is an abundant number, since it is smaller than the sum of its proper divisors (3411571785648).

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

1623701882640 is a wasteful number, since it uses less digits than its factorization.

1623701882640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416456 (or 2416450 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 1623701882640 in words is "one trillion, six hundred twenty-three billion, seven hundred one million, eight hundred eighty-two thousand, six hundred forty".