40913250 has 64 divisors (see below), whose sum is σ = 116722944. Its totient is φ = 9350400.

The previous prime is 40913239. The next prime is 40913263. The reversal of 40913250 is 5231904.

It is a super-3 number, since 3×40913250³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40913250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1354 + ... + 9146.

It is an arithmetic number, because the mean of its divisors is an integer number (1823796).

Almost surely, 2^40913250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40913250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58361472).

40913250 is an abundant number, since it is smaller than the sum of its proper divisors (75809694).

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

40913250 is a wasteful number, since it uses less digits than its factorization.

40913250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820 (or 7810 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 40913250 is about 6396.3466134974. The cubic root of 40913250 is about 344.5783548775.

The spelling of 40913250 in words is "forty million, nine hundred thirteen thousand, two hundred fifty".