40000046 has 4 divisors (see below), whose sum is σ = 60000072. Its totient is φ = 20000022.

The previous prime is 40000033. The next prime is 40000061. The reversal of 40000046 is 64000004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000010 + ... + 10000013.

It is an arithmetic number, because the mean of its divisors is an integer number (15000018).

Almost surely, 2^40000046 is an apocalyptic number.

40000046 is a deficient number, since it is larger than the sum of its proper divisors (20000026).

40000046 is a wasteful number, since it uses less digits than its factorization.

40000046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000025.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40000046 is about 6324.5589569550. The cubic root of 40000046 is about 341.9953204334.

The spelling of 40000046 in words is "forty million, forty-six", and thus it is an aban number, an eban number, and an uban number.