402355541 has 32 divisors (see below), whose sum is σ = 520058880. Its totient is φ = 303206400.

The previous prime is 402355529. The next prime is 402355543. The reversal of 402355541 is 145553204.

It is not a de Polignac number, because 402355541 - 2⁶ = 402355477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402355543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105101 + ... + 108861.

It is an arithmetic number, because the mean of its divisors is an integer number (16251840).

Almost surely, 2^402355541 is an apocalyptic number.

It is an amenable number.

402355541 is a deficient number, since it is larger than the sum of its proper divisors (117703339).

402355541 is a wasteful number, since it uses less digits than its factorization.

402355541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 402355541 is about 20058.8020828762. The cubic root of 402355541 is about 738.2497844757.

The spelling of 402355541 in words is "four hundred two million, three hundred fifty-five thousand, five hundred forty-one".