7455849021000 has 192 divisors, whose sum is σ = 25881872730480. Its totient is φ = 1934490470400.

The previous prime is 7455849020959. The next prime is 7455849021001. The reversal of 7455849021000 is 1209485547.

7455849021000 is a `hidden beast` number, since 7 + 4 + 5 + 58 + 490 + 2 + 100 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 180195156036 + 7275653864964 = 424494^2 + 2697342^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7455849021001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10861969 + ... + 11527968.

Almost surely, 2^{7455849021000} is an apocalyptic number.

It is an amenable number.

7455849021000 is an abundant number, since it is smaller than the sum of its proper divisors (18426023709480).

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

7455849021000 is a wasteful number, since it uses less digits than its factorization.

7455849021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22390001 (or 22389984 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 7455849021000 in words is "seven trillion, four hundred fifty-five billion, eight hundred forty-nine million, twenty-one thousand".