1401920364 has 24 divisors (see below), whose sum is σ = 3522774640. Its totient is φ = 431360064.

The previous prime is 1401920363. The next prime is 1401920389. The reversal of 1401920364 is 4630291041.

It is not an unprimeable number, because it can be changed into a prime (1401920363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4493179 + ... + 4493490.

Almost surely, 2^1401920364 is an apocalyptic number.

It is an amenable number.

1401920364 is an abundant number, since it is smaller than the sum of its proper divisors (2120854276).

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

1401920364 is a wasteful number, since it uses less digits than its factorization.

1401920364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986689 (or 8986687 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1401920364 is about 37442.2270170993. The cubic root of 1401920364 is about 1119.2002059999.

The spelling of 1401920364 in words is "one billion, four hundred one million, nine hundred twenty thousand, three hundred sixty-four".