2621370470400 has 1872 divisors, whose sum is σ = 10865007386688. Its totient is φ = 621084672000.

The previous prime is 2621370470363. The next prime is 2621370470417. The reversal of 2621370470400 is 40740731262.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16696627122 + ... + 16696627278.

Almost surely, 2^{2621370470400} is an apocalyptic number.

2621370470400 is a gapful number since it is divisible by the number (20) 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 2621370470400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5432503693344).

2621370470400 is an abundant number, since it is smaller than the sum of its proper divisors (8243636916288).

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

2621370470400 is a wasteful number, since it uses less digits than its factorization.

2621370470400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 2621370470400 in words is "two trillion, six hundred twenty-one billion, three hundred seventy million, four hundred seventy thousand, four hundred".