376525640557 has 16 divisors (see below), whose sum is σ = 418666957632. Its totient is φ = 335707931520.

The previous prime is 376525640537. The next prime is 376525640573. The reversal of 376525640557 is 755046525673.

It is a cyclic number.

It is not a de Polignac number, because 376525640557 - 2¹⁹ = 376525116269 is a prime.

It is a super-3 number, since 3×376525640557³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 376525640498 and 376525640507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376525640537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402318 + ... + 1649104.

It is an arithmetic number, because the mean of its divisors is an integer number (26166684852).

Almost surely, 2^376525640557 is an apocalyptic number.

It is an amenable number.

376525640557 is a deficient number, since it is larger than the sum of its proper divisors (42141317075).

376525640557 is a wasteful number, since it uses less digits than its factorization.

376525640557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249468.

The product of its (nonzero) digits is 26460000, while the sum is 55.

The spelling of 376525640557 in words is "three hundred seventy-six billion, five hundred twenty-five million, six hundred forty thousand, five hundred fifty-seven".