36995797440 has 336 divisors, whose sum is σ = 150817185792. Its totient is φ = 8456057856.

The previous prime is 36995797439. The next prime is 36995797481. The reversal of 36995797440 is 4479759963.

36995797440 is a `hidden beast` number, since 36 + 9 + 95 + 79 + 7 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

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, 510337 + ... + 578303.

It is an arithmetic number, because the mean of its divisors is an integer number (448860672).

Almost surely, 2^36995797440 is an apocalyptic number.

36995797440 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 36995797440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75408592896).

36995797440 is an abundant number, since it is smaller than the sum of its proper divisors (113821388352).

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

36995797440 is an equidigital number, since it uses as much as digits as its factorization.

36995797440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68006 (or 67984 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 36995797440 in words is "thirty-six billion, nine hundred ninety-five million, seven hundred ninety-seven thousand, four hundred forty".