6411621480 has 64 divisors (see below), whose sum is σ = 20983492800. Its totient is φ = 1554332160.

The previous prime is 6411621467. The next prime is 6411621529. The reversal of 6411621480 is 841261146.

It is a super-2 number, since 2×6411621480² = 82217780005594780800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 2427325 + ... + 2429964.

It is an arithmetic number, because the mean of its divisors is an integer number (327867075).

Almost surely, 2^6411621480 is an apocalyptic number.

6411621480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6411621480 is an abundant number, since it is smaller than the sum of its proper divisors (14571871320).

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

6411621480 is a wasteful number, since it uses less digits than its factorization.

6411621480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857314 (or 4857310 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 6411621480 is about 80072.6013065643. The cubic root of 6411621480 is about 1857.7586483266.

The spelling of 6411621480 in words is "six billion, four hundred eleven million, six hundred twenty-one thousand, four hundred eighty".