1976452190064 has 240 divisors, whose sum is σ = 6056058423168. Its totient is φ = 596756160000.

The previous prime is 1976452190033. The next prime is 1976452190093. The reversal of 1976452190064 is 4600912546791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 780896479 + ... + 780899009.

Almost surely, 2^{1976452190064} 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 1976452190064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028029211584).

1976452190064 is an abundant number, since it is smaller than the sum of its proper divisors (4079606233104).

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

1976452190064 is a wasteful number, since it uses less digits than its factorization.

1976452190064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148 (or 4139 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 1976452190064 in words is "one trillion, nine hundred seventy-six billion, four hundred fifty-two million, one hundred ninety thousand, sixty-four".