40148654 has 48 divisors (see below), whose sum is σ = 75893760. Its totient is φ = 15593760.

The previous prime is 40148651. The next prime is 40148659. The reversal of 40148654 is 45684104.

It is a super-2 number, since 2×40148654² = 3223828836023432, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40148654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40148651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167867 + ... + 168105.

It is an arithmetic number, because the mean of its divisors is an integer number (1581120).

Almost surely, 2^40148654 is an apocalyptic number.

40148654 is a deficient number, since it is larger than the sum of its proper divisors (35745106).

40148654 is a wasteful number, since it uses less digits than its factorization.

40148654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 40148654 is about 6336.2965524035. The cubic root of 40148654 is about 342.4183235365.

The spelling of 40148654 in words is "forty million, one hundred forty-eight thousand, six hundred fifty-four".