2257375406 has 64 divisors (see below), whose sum is σ = 4041225216. Its totient is φ = 932256000.

The previous prime is 2257375403. The next prime is 2257375433. The reversal of 2257375406 is 6045737522.

It is a super-2 number, since 2×2257375406² = 10191487447227329672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257375403) 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, 7211906 + ... + 7212218.

It is an arithmetic number, because the mean of its divisors is an integer number (63144144).

Almost surely, 2^2257375406 is an apocalyptic number.

2257375406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2257375406 is a deficient number, since it is larger than the sum of its proper divisors (1783849810).

2257375406 is a wasteful number, since it uses less digits than its factorization.

2257375406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 2257375406 is about 47511.8449020873. The cubic root of 2257375406 is about 1311.8009156423.

It can be divided in two parts, 22573 and 75406, that added together give a palindrome (97979).

The spelling of 2257375406 in words is "two billion, two hundred fifty-seven million, three hundred seventy-five thousand, four hundred six".