402750255541 has 4 divisors (see below), whose sum is σ = 403372744992. Its totient is φ = 402127766092.

The previous prime is 402750255533. The next prime is 402750255547. The reversal of 402750255541 is 145552057204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402750255541 - 2³ = 402750255533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402750255494 and 402750255503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402750255547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311243755 + ... + 311245048.

It is an arithmetic number, because the mean of its divisors is an integer number (100843186248).

Almost surely, 2^402750255541 is an apocalyptic number.

It is an amenable number.

402750255541 is a deficient number, since it is larger than the sum of its proper divisors (622489451).

402750255541 is an equidigital number, since it uses as much as digits as its factorization.

402750255541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622489450.

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 402750255541 in words is "four hundred two billion, seven hundred fifty million, two hundred fifty-five thousand, five hundred forty-one".