40069898 has 32 divisors (see below), whose sum is σ = 69474240. Its totient is φ = 17141760.

The previous prime is 40069889. The next prime is 40069921. The reversal of 40069898 is 89896004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107240 + ... + 107612.

It is an arithmetic number, because the mean of its divisors is an integer number (2171070).

Almost surely, 2^40069898 is an apocalyptic number.

40069898 is a deficient number, since it is larger than the sum of its proper divisors (29404342).

40069898 is a wasteful number, since it uses less digits than its factorization.

40069898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 40069898 is about 6330.0788304728. The cubic root of 40069898 is about 342.1942799113.

The spelling of 40069898 in words is "forty million, sixty-nine thousand, eight hundred ninety-eight".