40473394 has 8 divisors (see below), whose sum is σ = 65380140. Its totient is φ = 18680016.

The previous prime is 40473371. The next prime is 40473421. The reversal of 40473394 is 49337404.

It can be written as a sum of positive squares in 2 ways, for example, as 40259025 + 214369 = 6345^2 + 463^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778309 + ... + 778360.

Almost surely, 2^40473394 is an apocalyptic number.

40473394 is a deficient number, since it is larger than the sum of its proper divisors (24906746).

40473394 is a wasteful number, since it uses less digits than its factorization.

40473394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556684.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 40473394 is about 6361.8703224759. The cubic root of 40473394 is about 343.3390556330.

The spelling of 40473394 in words is "forty million, four hundred seventy-three thousand, three hundred ninety-four".