40148592 has 40 divisors (see below), whose sum is σ = 113147520. Its totient is φ = 12166080.

The previous prime is 40148573. The next prime is 40148599. The reversal of 40148592 is 29584104.

It is a super-2 number, since 2×40148592² = 3223818879164928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40148599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37492 + ... + 38547.

It is an arithmetic number, because the mean of its divisors is an integer number (2828688).

Almost surely, 2^40148592 is an apocalyptic number.

It is an amenable number.

40148592 is an abundant number, since it is smaller than the sum of its proper divisors (72998928).

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

40148592 is a wasteful number, since it uses less digits than its factorization.

40148592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76061 (or 76055 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 40148592 is about 6336.2916599538. The cubic root of 40148592 is about 342.4181472753.

The spelling of 40148592 in words is "forty million, one hundred forty-eight thousand, five hundred ninety-two".