40061436 has 24 divisors (see below), whose sum is σ = 93591120. Its totient is φ = 13337472.

The previous prime is 40061407. The next prime is 40061447. The reversal of 40061436 is 63416004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12070 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (3899630).

Almost surely, 2^40061436 is an apocalyptic number.

It is an amenable number.

40061436 is an abundant number, since it is smaller than the sum of its proper divisors (53529684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40061436 is a wasteful number, since it uses less digits than its factorization.

40061436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4091 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40061436 is about 6329.4103990814. The cubic root of 40061436 is about 342.1701899085.

The spelling of 40061436 in words is "forty million, sixty-one thousand, four hundred thirty-six".