2450138639396 has 48 divisors (see below), whose sum is σ = 4996966464000. Its totient is φ = 1029373887360.

The previous prime is 2450138639387. The next prime is 2450138639447. The reversal of 2450138639396 is 6939368310542.

It is a super-2 number, since 2×2450138639396² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053605 + ... + 2451603.

It is an arithmetic number, because the mean of its divisors is an integer number (104103468000).

Almost surely, 2^{2450138639396} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2450138639396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498483232000).

2450138639396 is an abundant number, since it is smaller than the sum of its proper divisors (2546827824604).

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

2450138639396 is a wasteful number, since it uses less digits than its factorization.

2450138639396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399244 (or 1399242 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 59.

The spelling of 2450138639396 in words is "two trillion, four hundred fifty billion, one hundred thirty-eight million, six hundred thirty-nine thousand, three hundred ninety-six".