40747632 has 20 divisors (see below), whose sum is σ = 105264840. Its totient is φ = 13582528.

The previous prime is 40747631. The next prime is 40747667. The reversal of 40747632 is 23674704.

It is a junction number, because it is equal to n+sod(n) for n = 40747593 and 40747602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40747631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424407 + ... + 424502.

It is an arithmetic number, because the mean of its divisors is an integer number (5263242).

Almost surely, 2^40747632 is an apocalyptic number.

It is an amenable number.

40747632 is an abundant number, since it is smaller than the sum of its proper divisors (64517208).

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

40747632 is a wasteful number, since it uses less digits than its factorization.

40747632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848920 (or 848914 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 40747632 is about 6383.3871886327. The cubic root of 40747632 is about 344.1127717520.

The spelling of 40747632 in words is "forty million, seven hundred forty-seven thousand, six hundred thirty-two".