1402992040 has 32 divisors (see below), whose sum is σ = 3161047680. Its totient is φ = 560429632.

The previous prime is 1402992023. The next prime is 1402992121. The reversal of 1402992040 is 402992041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1402991993 and 1402992011.

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 7 ways as a sum of consecutive naturals, for example, 6117 + ... + 53323.

It is an arithmetic number, because the mean of its divisors is an integer number (98782740).

Almost surely, 2^1402992040 is an apocalyptic number.

1402992040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402992040 is an abundant number, since it is smaller than the sum of its proper divisors (1758055640).

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

1402992040 is a wasteful number, since it uses less digits than its factorization.

1402992040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47961 (or 47957 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1402992040 is about 37456.5353443161. The cubic root of 1402992040 is about 1119.4853183678.

Subtracting from 1402992040 its reverse (402992041), we obtain a palindrome (999999999).

The spelling of 1402992040 in words is "one billion, four hundred two million, nine hundred ninety-two thousand, forty".