958799040381 has 96 divisors (see below), whose sum is σ = 1711786352640. Its totient is φ = 503592515712.

The previous prime is 958799040379. The next prime is 958799040383. The reversal of 958799040381 is 183040997859.

958799040381 is a `hidden beast` number, since 9 + 587 + 9 + 9 + 0 + 40 + 3 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (958799040379) and next prime (958799040383).

It is not a de Polignac number, because 958799040381 - 2¹ = 958799040379 is a prime.

It is a super-2 number, since 2×958799040381² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (958799040383) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 208296426 + ... + 208301028.

It is an arithmetic number, because the mean of its divisors is an integer number (17831107840).

Almost surely, 2^958799040381 is an apocalyptic number.

958799040381 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

958799040381 is a deficient number, since it is larger than the sum of its proper divisors (752987312259).

958799040381 is a wasteful number, since it uses less digits than its factorization.

958799040381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655 (or 5652 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 958799040381 in words is "nine hundred fifty-eight billion, seven hundred ninety-nine million, forty thousand, three hundred eighty-one".