40148976 has 120 divisors (see below), whose sum is σ = 125480064. Its totient is φ = 10834560.

The previous prime is 40148947. The next prime is 40148981. The reversal of 40148976 is 67984104.

It is a happy number.

It is a super-2 number, since 2×40148976² = 3223880547697152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121131 + ... + 121461.

Almost surely, 2^40148976 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 40148976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62740032).

40148976 is an abundant number, since it is smaller than the sum of its proper divisors (85331088).

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

40148976 is a wasteful number, since it uses less digits than its factorization.

40148976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 40148976 is about 6336.3219615168. The cubic root of 40148976 is about 342.4192389545.

The spelling of 40148976 in words is "forty million, one hundred forty-eight thousand, nine hundred seventy-six".