2615401976040 has 96 divisors (see below), whose sum is σ = 9714350206080. Its totient is φ = 597806165376.

The previous prime is 2615401976021. The next prime is 2615401976147. The reversal of 2615401976040 is 406791045162.

2615401976040 is a `hidden beast` number, since 2 + 6 + 1 + 540 + 1 + 9 + 7 + 60 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518926444 + ... + 518931483.

It is an arithmetic number, because the mean of its divisors is an integer number (101191147980).

Almost surely, 2^{2615401976040} is an apocalyptic number.

2615401976040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2615401976040 is an abundant number, since it is smaller than the sum of its proper divisors (7098948230040).

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

2615401976040 is a wasteful number, since it uses less digits than its factorization.

2615401976040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037857951 (or 1037857944 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 2615401976040 in words is "two trillion, six hundred fifteen billion, four hundred one million, nine hundred seventy-six thousand, forty".