40732612988 has 6 divisors (see below), whose sum is σ = 71282072736. Its totient is φ = 20366306492.

The previous prime is 40732612981. The next prime is 40732613011. The reversal of 40732612988 is 88921623704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40732612981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5091576620 + ... + 5091576627.

It is an arithmetic number, because the mean of its divisors is an integer number (11880345456).

Almost surely, 2^40732612988 is an apocalyptic number.

It is an amenable number.

40732612988 is a deficient number, since it is larger than the sum of its proper divisors (30549459748).

40732612988 is a wasteful number, since it uses less digits than its factorization.

40732612988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183153251 (or 10183153249 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 40732612988 in words is "forty billion, seven hundred thirty-two million, six hundred twelve thousand, nine hundred eighty-eight".