40720475032 has 8 divisors (see below), whose sum is σ = 76350890700. Its totient is φ = 20360237512.

The previous prime is 40720475027. The next prime is 40720475069. The reversal of 40720475032 is 23057402704.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545029682 + ... + 2545029697.

Almost surely, 2^40720475032 is an apocalyptic number.

It is an amenable number.

40720475032 is a deficient number, since it is larger than the sum of its proper divisors (35630415668).

40720475032 is a wasteful number, since it uses less digits than its factorization.

40720475032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090059385 (or 5090059381 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

Adding to 40720475032 its reverse (23057402704), we get a palindrome (63777877736).

The spelling of 40720475032 in words is "forty billion, seven hundred twenty million, four hundred seventy-five thousand, thirty-two".