40279074 has 16 divisors (see below), whose sum is σ = 87881760. Its totient is φ = 12205760.

The previous prime is 40279061. The next prime is 40279087. The reversal of 40279074 is 47097204.

It is an interprime number because it is at equal distance from previous prime (40279061) and next prime (40279087).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305079 + ... + 305210.

It is an arithmetic number, because the mean of its divisors is an integer number (5492610).

Almost surely, 2^40279074 is an apocalyptic number.

40279074 is an abundant number, since it is smaller than the sum of its proper divisors (47602686).

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

40279074 is a wasteful number, since it uses less digits than its factorization.

40279074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610305.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 40279074 is about 6346.5797087880. The cubic root of 40279074 is about 342.7886965053.

The spelling of 40279074 in words is "forty million, two hundred seventy-nine thousand, seventy-four".