244606257402 has 32 divisors (see below), whose sum is σ = 539096445888. Its totient is φ = 73513149696.

The previous prime is 244606257397. The next prime is 244606257407. The reversal of 244606257402 is 204752606442.

It is an interprime number because it is at equal distance from previous prime (244606257397) and next prime (244606257407).

It is not an unprimeable number, because it can be changed into a prime (244606257407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36461503 + ... + 36468210.

It is an arithmetic number, because the mean of its divisors is an integer number (16846763934).

Almost surely, 2^244606257402 is an apocalyptic number.

244606257402 is an abundant number, since it is smaller than the sum of its proper divisors (294490188486).

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

244606257402 is a wasteful number, since it uses less digits than its factorization.

244606257402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72929774.

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 244606257402 in words is "two hundred forty-four billion, six hundred six million, two hundred fifty-seven thousand, four hundred two".