40661545100 has 36 divisors (see below), whose sum is σ = 96256969368. Its totient is φ = 14786016000.

The previous prime is 40661545097. The next prime is 40661545121. The reversal of 40661545100 is 154516604.

It is a super-2 number, since 2×40661545100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18481421 + ... + 18483620.

Almost surely, 2^40661545100 is an apocalyptic number.

It is an amenable number.

40661545100 is an abundant number, since it is smaller than the sum of its proper divisors (55595424268).

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

40661545100 is a wasteful number, since it uses less digits than its factorization.

40661545100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36965066 (or 36965059 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 40661545100 in words is "forty billion, six hundred sixty-one million, five hundred forty-five thousand, one hundred".