40919256 has 192 divisors, whose sum is σ = 136980480. Its totient is φ = 11197440.

The previous prime is 40919251. The next prime is 40919257. The reversal of 40919256 is 65291904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40919256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40919251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421800 + ... + 421896.

It is an arithmetic number, because the mean of its divisors is an integer number (713440).

Almost surely, 2^40919256 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 40919256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68490240).

40919256 is an abundant number, since it is smaller than the sum of its proper divisors (96061224).

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

40919256 is a wasteful number, since it uses less digits than its factorization.

40919256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 40919256 is about 6396.8160830213. The cubic root of 40919256 is about 344.5952152373.

The spelling of 40919256 in words is "forty million, nine hundred nineteen thousand, two hundred fifty-six".