40304800158861 has 128 divisors (see below), whose sum is σ = 66644987904000. Its totient is φ = 21153357308160.

The previous prime is 40304800158859. The next prime is 40304800158907. The reversal of 40304800158861 is 16885100840304.

It is not a de Polignac number, because 40304800158861 - 2¹ = 40304800158859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40304800158861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304800150861) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4108118646 + ... + 4108128456.

It is an arithmetic number, because the mean of its divisors is an integer number (520663968000).

Almost surely, 2^{40304800158861} is an apocalyptic number.

It is an amenable number.

40304800158861 is a deficient number, since it is larger than the sum of its proper divisors (26340187745139).

40304800158861 is a wasteful number, since it uses less digits than its factorization.

40304800158861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 40304800158861 in words is "forty trillion, three hundred four billion, eight hundred million, one hundred fifty-eight thousand, eight hundred sixty-one".