1204977551040 has 168 divisors, whose sum is σ = 4145093188080. Its totient is φ = 321290717184.

The previous prime is 1204977551017. The next prime is 1204977551077. The reversal of 1204977551040 is 401557794021.

1204977551040 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 97 + 7 + 5 + 510 + 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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33352506 + ... + 33388614.

Almost surely, 2^{1204977551040} is an apocalyptic number.

1204977551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204977551040 is an abundant number, since it is smaller than the sum of its proper divisors (2940115637040).

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

1204977551040 is a wasteful number, since it uses less digits than its factorization.

1204977551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47719 (or 47706 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 1204977551040 in words is "one trillion, two hundred four billion, nine hundred seventy-seven million, five hundred fifty-one thousand, forty".