1402637952 has 32 divisors (see below), whose sum is σ = 3725758080. Its totient is φ = 467545856.

The previous prime is 1402637939. The next prime is 1402637963. The reversal of 1402637952 is 2597362041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1402637952.

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, 1825968 + ... + 1826735.

It is an arithmetic number, because the mean of its divisors is an integer number (116429940).

Almost surely, 2^1402637952 is an apocalyptic number.

1402637952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1402637952 is an abundant number, since it is smaller than the sum of its proper divisors (2323120128).

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

1402637952 is an equidigital number, since it uses as much as digits as its factorization.

1402637952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652720 (or 3652708 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1402637952 is about 37451.8083942551. The cubic root of 1402637952 is about 1119.3911316444.

Adding to 1402637952 its reverse (2597362041), we get a palindrome (3999999993).

The spelling of 1402637952 in words is "one billion, four hundred two million, six hundred thirty-seven thousand, nine hundred fifty-two".