40477747452 has 48 divisors (see below), whose sum is σ = 98468092800. Its totient is φ = 12930136128.

The previous prime is 40477747451. The next prime is 40477747463. The reversal of 40477747452 is 25474777404.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40477747395 and 40477747404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40477747451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712702 + ... + 767397.

It is an arithmetic number, because the mean of its divisors is an integer number (2051418600).

Almost surely, 2^40477747452 is an apocalyptic number.

It is an amenable number.

40477747452 is an abundant number, since it is smaller than the sum of its proper divisors (57990345348).

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

40477747452 is a wasteful number, since it uses less digits than its factorization.

40477747452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480202 (or 1480200 counting only the distinct ones).

The product of its (nonzero) digits is 6146560, while the sum is 51.

The spelling of 40477747452 in words is "forty billion, four hundred seventy-seven million, seven hundred forty-seven thousand, four hundred fifty-two".