36946155840 has 448 divisors, whose sum is σ = 131399718912. Its totient is φ = 8719360000.

The previous prime is 36946155839. The next prime is 36946155847. The reversal of 36946155840 is 4855164963.

It is a super-2 number, since 2×36946155840² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36946155847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140479549 + ... + 140479811.

It is an arithmetic number, because the mean of its divisors is an integer number (293302944).

Almost surely, 2^36946155840 is an apocalyptic number.

36946155840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36946155840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65699859456).

36946155840 is an abundant number, since it is smaller than the sum of its proper divisors (94453563072).

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

36946155840 is a wasteful number, since it uses less digits than its factorization.

36946155840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 36946155840 in words is "thirty-six billion, nine hundred forty-six million, one hundred fifty-five thousand, eight hundred forty".