1401501264 has 40 divisors (see below), whose sum is σ = 3640793760. Its totient is φ = 464554368.

The previous prime is 1401501263. The next prime is 1401501293. The reversal of 1401501264 is 4621051041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401501263) 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, 72967 + ... + 90150.

It is an arithmetic number, because the mean of its divisors is an integer number (91019844).

Almost surely, 2^1401501264 is an apocalyptic number.

It is an amenable number.

1401501264 is an abundant number, since it is smaller than the sum of its proper divisors (2239292496).

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

1401501264 is a wasteful number, since it uses less digits than its factorization.

1401501264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163307 (or 163301 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1401501264 is about 37436.6299765350. The cubic root of 1401501264 is about 1119.0886676731.

The spelling of 1401501264 in words is "one billion, four hundred one million, five hundred one thousand, two hundred sixty-four".