1630427623440 has 160 divisors (see below), whose sum is σ = 6301496964096. Its totient is φ = 338790151680.

The previous prime is 1630427623417. The next prime is 1630427623463. The reversal of 1630427623440 is 443267240361.

It is an interprime number because it is at equal distance from previous prime (1630427623417) and next prime (1630427623463).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1630427623392 and 1630427623401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44094822 + ... + 44131781.

Almost surely, 2^{1630427623440} is an apocalyptic number.

1630427623440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630427623440 is an abundant number, since it is smaller than the sum of its proper divisors (4671069340656).

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

1630427623440 is a wasteful number, since it uses less digits than its factorization.

1630427623440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88226637 (or 88226631 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 1630427623440 in words is "one trillion, six hundred thirty billion, four hundred twenty-seven million, six hundred twenty-three thousand, four hundred forty".