1402477140 has 24 divisors (see below), whose sum is σ = 3926936160. Its totient is φ = 373993888.

The previous prime is 1402477127. The next prime is 1402477147. The reversal of 1402477140 is 417742041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1402477098 and 1402477107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402477147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11687250 + ... + 11687369.

It is an arithmetic number, because the mean of its divisors is an integer number (163622340).

Almost surely, 2^1402477140 is an apocalyptic number.

1402477140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402477140 is an abundant number, since it is smaller than the sum of its proper divisors (2524459020).

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

1402477140 is a wasteful number, since it uses less digits than its factorization.

1402477140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23374631 (or 23374629 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 1402477140 is about 37449.6614136897. The cubic root of 1402477140 is about 1119.3483507291.

The spelling of 1402477140 in words is "one billion, four hundred two million, four hundred seventy-seven thousand, one hundred forty".