40148904428 has 12 divisors (see below), whose sum is σ = 70328606040. Its totient is φ = 20055016992.

The previous prime is 40148904413. The next prime is 40148904451. The reversal of 40148904428 is 82440984104.

It is a super-2 number, since 2×40148904428² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4854158 + ... + 4862421.

It is an arithmetic number, because the mean of its divisors is an integer number (5860717170).

Almost surely, 2^40148904428 is an apocalyptic number.

It is an amenable number.

40148904428 is a deficient number, since it is larger than the sum of its proper divisors (30179701612).

40148904428 is a wasteful number, since it uses less digits than its factorization.

40148904428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717616 (or 9717614 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 40148904428 in words is "forty billion, one hundred forty-eight million, nine hundred four thousand, four hundred twenty-eight".