1400925881 has 16 divisors (see below), whose sum is σ = 1473292800. Its totient is φ = 1330300608.

The previous prime is 1400925871. The next prime is 1400925899. The reversal of 1400925881 is 1885290041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400925881 is a prime.

It is a super-2 number, since 2×1400925881² = 3925186648111252322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400925871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670220 + ... + 672306.

It is an arithmetic number, because the mean of its divisors is an integer number (92080800).

Almost surely, 2^1400925881 is an apocalyptic number.

It is an amenable number.

1400925881 is a deficient number, since it is larger than the sum of its proper divisors (72366919).

1400925881 is a wasteful number, since it uses less digits than its factorization.

1400925881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1400925881 is about 37428.9444280760. The cubic root of 1400925881 is about 1118.9355003162.

The spelling of 1400925881 in words is "one billion, four hundred million, nine hundred twenty-five thousand, eight hundred eighty-one".