401051502 has 24 divisors (see below), whose sum is σ = 874154736. Its totient is φ = 132882336.

The previous prime is 401051501. The next prime is 401051503. The reversal of 401051502 is 205150104.

It is an interprime number because it is at equal distance from previous prime (401051501) and next prime (401051503).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401051501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63703 + ... + 69714.

It is an arithmetic number, because the mean of its divisors is an integer number (36423114).

Almost surely, 2^401051502 is an apocalyptic number.

401051502 is an abundant number, since it is smaller than the sum of its proper divisors (473103234).

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

401051502 is a wasteful number, since it uses less digits than its factorization.

401051502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133592 (or 133589 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 401051502 is about 20026.2702967877. The cubic root of 401051502 is about 737.4513625686.

The spelling of 401051502 in words is "four hundred one million, fifty-one thousand, five hundred two".