36252440 has 64 divisors (see below), whose sum is σ = 95420160. Its totient is φ = 12136320.

The previous prime is 36252431. The next prime is 36252467. The reversal of 36252440 is 4425263.

It is a Cunningham number, because it is equal to 6021²-1.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10535 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (1490940).

Almost surely, 2^36252440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36252440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47710080).

36252440 is an abundant number, since it is smaller than the sum of its proper divisors (59167720).

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

36252440 is a wasteful number, since it uses less digits than its factorization.

36252440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072 (or 3068 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 36252440 is about 6020.9999169573. Note that the first 4 decimals coincide. The cubic root of 36252440 is about 330.9627228064.

The spelling of 36252440 in words is "thirty-six million, two hundred fifty-two thousand, four hundred forty".