40387874 has 8 divisors (see below), whose sum is σ = 61024428. Its totient is φ = 20046400.

The previous prime is 40387871. The next prime is 40387877. The reversal of 40387874 is 47878304.

It is an interprime number because it is at equal distance from previous prime (40387871) and next prime (40387877).

It can be written as a sum of positive squares in 2 ways, for example, as 40386025 + 1849 = 6355^2 + 43^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40387871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73427 + ... + 73974.

Almost surely, 2^40387874 is an apocalyptic number.

40387874 is a deficient number, since it is larger than the sum of its proper divisors (20636554).

40387874 is a wasteful number, since it uses less digits than its factorization.

40387874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147540.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 40387874 is about 6355.1454743381. The cubic root of 40387874 is about 343.0970607629.

The spelling of 40387874 in words is "forty million, three hundred eighty-seven thousand, eight hundred seventy-four".