2495218398 has 16 divisors (see below), whose sum is σ = 4990926720. Its totient is φ = 831657816.

The previous prime is 2495218393. The next prime is 2495218409. The reversal of 2495218398 is 8938125942.

It is a super-2 number, since 2×2495218398² = 12452229707435372808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2495218398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2495218393) 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, 106383 + ... + 127701.

It is an arithmetic number, because the mean of its divisors is an integer number (311932920).

Almost surely, 2^2495218398 is an apocalyptic number.

2495218398 is an abundant number, since it is smaller than the sum of its proper divisors (2495708322).

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

2495218398 is a wasteful number, since it uses less digits than its factorization.

2495218398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40831.

The product of its digits is 1244160, while the sum is 51.

The square root of 2495218398 is about 49952.1610943911. The cubic root of 2495218398 is about 1356.3429717375.

The spelling of 2495218398 in words is "two billion, four hundred ninety-five million, two hundred eighteen thousand, three hundred ninety-eight".