2615427620440 has 32 divisors (see below), whose sum is σ = 5888080770480. Its totient is φ = 1045572181632.

The previous prime is 2615427620437. The next prime is 2615427620473. The reversal of 2615427620440 is 440267245162.

It is a congruent number.

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, 18643827 + ... + 18783586.

Almost surely, 2^{2615427620440} is an apocalyptic number.

2615427620440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2615427620440 is an abundant number, since it is smaller than the sum of its proper divisors (3272653150040).

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

2615427620440 is a wasteful number, since it uses less digits than its factorization.

2615427620440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37429171 (or 37429167 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 2615427620440 in words is "two trillion, six hundred fifteen billion, four hundred twenty-seven million, six hundred twenty thousand, four hundred forty".