40148392574 has 4 divisors (see below), whose sum is σ = 60222588864. Its totient is φ = 20074196286.

The previous prime is 40148392457. The next prime is 40148392589. The reversal of 40148392574 is 47529384104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40148392574² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037098142 + ... + 10037098145.

It is an arithmetic number, because the mean of its divisors is an integer number (15055647216).

Almost surely, 2^40148392574 is an apocalyptic number.

40148392574 is a deficient number, since it is larger than the sum of its proper divisors (20074196290).

40148392574 is a wasteful number, since it uses less digits than its factorization.

40148392574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20074196289.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 40148392574 in words is "forty billion, one hundred forty-eight million, three hundred ninety-two thousand, five hundred seventy-four".