5451355499040 has 1536 divisors, whose sum is σ = 22376655544320. Its totient is φ = 1226244096000.

The previous prime is 5451355498961. The next prime is 5451355499053. The reversal of 5451355499040 is 409945531545.

It is a happy number.

5451355499040 is a `hidden beast` number, since 5 + 4 + 5 + 1 + 3 + 5 + 549 + 90 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 9070474740 + ... + 9070475340.

It is an arithmetic number, because the mean of its divisors is an integer number (14568135120).

Almost surely, 2^{5451355499040} 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 5451355499040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11188327772160).

5451355499040 is an abundant number, since it is smaller than the sum of its proper divisors (16925300045280).

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

5451355499040 is a wasteful number, since it uses less digits than its factorization.

5451355499040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 5451355499040 in words is "five trillion, four hundred fifty-one billion, three hundred fifty-five million, four hundred ninety-nine thousand, forty".