402757055 has 8 divisors (see below), whose sum is σ = 484572672. Its totient is φ = 321362848.

The previous prime is 402757051. The next prime is 402757067. The reversal of 402757055 is 550757204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 402757055 - 2² = 402757051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402757051) 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, 103244 + ... + 107073.

It is an arithmetic number, because the mean of its divisors is an integer number (60571584).

Almost surely, 2^402757055 is an apocalyptic number.

402757055 is a deficient number, since it is larger than the sum of its proper divisors (81815617).

402757055 is a wasteful number, since it uses less digits than its factorization.

402757055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210705.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 402757055 is about 20068.8080114390. The cubic root of 402757055 is about 738.4952714055.

The spelling of 402757055 in words is "four hundred two million, seven hundred fifty-seven thousand, fifty-five".