1400216556416 has 32 divisors (see below), whose sum is σ = 2789606612880. Its totient is φ = 700079994880.

The previous prime is 1400216556383. The next prime is 1400216556449. The reversal of 1400216556416 is 6146556120041.

It is an interprime number because it is at equal distance from previous prime (1400216556383) and next prime (1400216556449).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1400216556416² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161285 + ... + 3576891.

Almost surely, 2^{1400216556416} is an apocalyptic number.

1400216556416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1400216556416 is a deficient number, since it is larger than the sum of its proper divisors (1389390056464).

1400216556416 is an equidigital number, since it uses as much as digits as its factorization.

1400216556416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441942 (or 441930 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 1400216556416 in words is "one trillion, four hundred billion, two hundred sixteen million, five hundred fifty-six thousand, four hundred sixteen".