1401496590 has 32 divisors (see below), whose sum is σ = 3622330656. Its totient is φ = 344983680.

The previous prime is 1401496573. The next prime is 1401496627. The reversal of 1401496590 is 956941041.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1796401 + ... + 1797180.

It is an arithmetic number, because the mean of its divisors is an integer number (113197833).

Almost surely, 2^1401496590 is an apocalyptic number.

1401496590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401496590 is an abundant number, since it is smaller than the sum of its proper divisors (2220834066).

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

1401496590 is a wasteful number, since it uses less digits than its factorization.

1401496590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593604.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1401496590 is about 37436.5675509922. The cubic root of 1401496590 is about 1119.0874236200.

The spelling of 1401496590 in words is "one billion, four hundred one million, four hundred ninety-six thousand, five hundred ninety".