1400881258890 has 64 divisors (see below), whose sum is σ = 3751996550400. Its totient is φ = 371937016512.

The previous prime is 1400881258871. The next prime is 1400881258937. The reversal of 1400881258890 is 988521880041.

1400881258890 is a `hidden beast` number, since 1 + 40 + 0 + 8 + 8 + 12 + 588 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11266662 + ... + 11390321.

It is an arithmetic number, because the mean of its divisors is an integer number (58624946100).

Almost surely, 2^{1400881258890} is an apocalyptic number.

1400881258890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400881258890 is an abundant number, since it is smaller than the sum of its proper divisors (2351115291510).

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

1400881258890 is a wasteful number, since it uses less digits than its factorization.

1400881258890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22657228 (or 22657222 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 54.

The spelling of 1400881258890 in words is "one trillion, four hundred billion, eight hundred eighty-one million, two hundred fifty-eight thousand, eight hundred ninety".