40148559 has 12 divisors (see below), whose sum is σ = 63264552. Its totient is φ = 24332400.

The previous prime is 40148551. The next prime is 40148567. The reversal of 40148559 is 95584104.

It is an interprime number because it is at equal distance from previous prime (40148551) and next prime (40148567).

It is not a de Polignac number, because 40148559 - 2³ = 40148551 is a prime.

It is a super-2 number, since 2×40148559² = 3223813579552962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40148551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202672 + ... + 202869.

It is an arithmetic number, because the mean of its divisors is an integer number (5272046).

Almost surely, 2^40148559 is an apocalyptic number.

40148559 is a deficient number, since it is larger than the sum of its proper divisors (23115993).

40148559 is a wasteful number, since it uses less digits than its factorization.

40148559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405558 (or 405555 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 40148559 is about 6336.2890559065. The cubic root of 40148559 is about 342.4180534588.

The spelling of 40148559 in words is "forty million, one hundred forty-eight thousand, five hundred fifty-nine".