402255054 has 72 divisors (see below), whose sum is σ = 943951320. Its totient is φ = 123731712.

The previous prime is 402255053. The next prime is 402255109. The reversal of 402255054 is 450552204.

402255054 is a `hidden beast` number, since 40 + 22 + 550 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402255053) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 274977 + ... + 276435.

It is an arithmetic number, because the mean of its divisors is an integer number (13110435).

Almost surely, 2^402255054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402255054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471975660).

402255054 is an abundant number, since it is smaller than the sum of its proper divisors (541696266).

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

402255054 is a wasteful number, since it uses less digits than its factorization.

402255054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 402255054 is about 20056.2971158686. The cubic root of 402255054 is about 738.1883208569.

The spelling of 402255054 in words is "four hundred two million, two hundred fifty-five thousand, fifty-four".