49040066 has 4 divisors (see below), whose sum is σ = 73560102. Its totient is φ = 24520032.

The previous prime is 49040023. The next prime is 49040077. The reversal of 49040066 is 66004094.

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

It can be written as a sum of positive squares in only one way, i.e., 44609041 + 4431025 = 6679^2 + 2105^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12260015 + ... + 12260018.

Almost surely, 2^49040066 is an apocalyptic number.

49040066 is a deficient number, since it is larger than the sum of its proper divisors (24520036).

49040066 is a wasteful number, since it uses less digits than its factorization.

49040066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24520035.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 49040066 is about 7002.8612723657. The cubic root of 49040066 is about 366.0302810703.

The spelling of 49040066 in words is "forty-nine million, forty thousand, sixty-six".