1400978096 has 20 divisors (see below), whose sum is σ = 3102166032. Its totient is φ = 600419136.

The previous prime is 1400978083. The next prime is 1400978149. The reversal of 1400978096 is 6908790041.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6254255 + ... + 6254478.

Almost surely, 2^1400978096 is an apocalyptic number.

1400978096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1400978096 is an abundant number, since it is smaller than the sum of its proper divisors (1701187936).

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

1400978096 is a wasteful number, since it uses less digits than its factorization.

1400978096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12508748 (or 12508742 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1400978096 is about 37429.6419432513. The cubic root of 1400978096 is about 1118.9494017158.

The spelling of 1400978096 in words is "one billion, four hundred million, nine hundred seventy-eight thousand, ninety-six".