402252441 has 8 divisors (see below), whose sum is σ = 537173280. Its totient is φ = 267749952.

The previous prime is 402252427. The next prime is 402252479. The reversal of 402252441 is 144252204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402252441 - 2¹⁴ = 402236057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402252421) 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, 102336 + ... + 106193.

It is an arithmetic number, because the mean of its divisors is an integer number (67146660).

Almost surely, 2^402252441 is an apocalyptic number.

It is an amenable number.

402252441 is a deficient number, since it is larger than the sum of its proper divisors (134920839).

402252441 is a wasteful number, since it uses less digits than its factorization.

402252441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209175.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 402252441 is about 20056.2319741271. The cubic root of 402252441 is about 738.1867224595.

The spelling of 402252441 in words is "four hundred two million, two hundred fifty-two thousand, four hundred forty-one".