2619420672 has 104 divisors (see below), whose sum is σ = 7619595840. Its totient is φ = 793722880.

The previous prime is 2619420659. The next prime is 2619420691. The reversal of 2619420672 is 2760249162.

It is a super-2 number, since 2×2619420672² = 13722729313801863168, 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 2619420672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125479 + ... + 144857.

Almost surely, 2^2619420672 is an apocalyptic number.

2619420672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2619420672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3809797920).

2619420672 is an abundant number, since it is smaller than the sum of its proper divisors (5000175168).

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

2619420672 is a wasteful number, since it uses less digits than its factorization.

2619420672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19417 (or 19395 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2619420672 is about 51180.2762008960. The cubic root of 2619420672 is about 1378.4840652389.

The spelling of 2619420672 in words is "two billion, six hundred nineteen million, four hundred twenty thousand, six hundred seventy-two".