40228974 has 40 divisors (see below), whose sum is σ = 93261960. Its totient is φ = 12945744.

The previous prime is 40228949. The next prime is 40228999. The reversal of 40228974 is 47982204.

It is an interprime number because it is at equal distance from previous prime (40228949) and next prime (40228999).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 417 + ... + 8979.

It is an arithmetic number, because the mean of its divisors is an integer number (2331549).

Almost surely, 2^40228974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40228974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46630980).

40228974 is an abundant number, since it is smaller than the sum of its proper divisors (53032986).

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

40228974 is a wasteful number, since it uses less digits than its factorization.

40228974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606 (or 8597 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 40228974 is about 6342.6314728195. The cubic root of 40228974 is about 342.6465148274.

It can be divided in two parts, 4022 and 8974, that added together give a square (12996 = 114²).

The spelling of 40228974 in words is "forty million, two hundred twenty-eight thousand, nine hundred seventy-four".