40147402 has 8 divisors (see below), whose sum is σ = 60365412. Its totient is φ = 20025600.

The previous prime is 40147391. The next prime is 40147403. The reversal of 40147402 is 20474104.

It can be written as a sum of positive squares in 2 ways, for example, as 30041361 + 10106041 = 5481^2 + 3179^2 .

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

It is a super-2 number, since 2×40147402² = 3223627774699208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40147403) 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, 22999 + ... + 24682.

Almost surely, 2^40147402 is an apocalyptic number.

40147402 is a deficient number, since it is larger than the sum of its proper divisors (20218010).

40147402 is a wasteful number, since it uses less digits than its factorization.

40147402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48104.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 40147402 is about 6336.1977557523. The cubic root of 40147402 is about 342.4147641627.

The spelling of 40147402 in words is "forty million, one hundred forty-seven thousand, four hundred two".