40000374 has 12 divisors (see below), whose sum is σ = 86667516. Its totient is φ = 13333452.

The previous prime is 40000369. The next prime is 40000409. The reversal of 40000374 is 47300004.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2222243 = 40000374 / (4 + 0 + 0 + 0 + 0 + 3 + 7 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111104 + ... + 1111139.

It is an arithmetic number, because the mean of its divisors is an integer number (7222293).

Almost surely, 2^40000374 is an apocalyptic number.

40000374 is an abundant number, since it is smaller than the sum of its proper divisors (46667142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40000374 is a wasteful number, since it uses less digits than its factorization.

40000374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222251 (or 2222248 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 40000374 is about 6324.5848875638. The cubic root of 40000374 is about 341.9962552170.

Adding to 40000374 its reverse (47300004), we get a palindrome (87300378).

The spelling of 40000374 in words is "forty million, three hundred seventy-four", and thus it is an aban number.