40148265 has 16 divisors (see below), whose sum is σ = 64487808. Its totient is φ = 21328896.

The previous prime is 40148249. The next prime is 40148279. The reversal of 40148265 is 56284104.

It is not a de Polignac number, because 40148265 - 2⁴ = 40148249 is a prime.

It is a super-2 number, since 2×40148265² = 3223766365020450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144 + ... + 9033.

It is an arithmetic number, because the mean of its divisors is an integer number (4030488).

Almost surely, 2^40148265 is an apocalyptic number.

It is an amenable number.

40148265 is a deficient number, since it is larger than the sum of its proper divisors (24339543).

40148265 is a wasteful number, since it uses less digits than its factorization.

40148265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10448.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 40148265 is about 6336.2658561648. The cubic root of 40148265 is about 342.4172176367.

The spelling of 40148265 in words is "forty million, one hundred forty-eight thousand, two hundred sixty-five".