40746208548420 has 72 divisors (see below), whose sum is σ = 123597369331800. Its totient is φ = 10865608427520.

The previous prime is 40746208548403. The next prime is 40746208548421. The reversal of 40746208548420 is 2484580264704.

It is a happy number.

40746208548420 is a `hidden beast` number, since 4 + 0 + 7 + 4 + 6 + 208 + 5 + 4 + 8 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4863401017344 + 35882807531076 = 2205312^2 + 5990226^2 .

It is a super-2 number, since 2×40746208548420² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40746208548421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65959380 + ... + 66574260.

Almost surely, 2^{40746208548420} is an apocalyptic number.

It is an amenable number.

40746208548420 is an abundant number, since it is smaller than the sum of its proper divisors (82851160783380).

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

40746208548420 is a wasteful number, since it uses less digits than its factorization.

40746208548420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983045 (or 983040 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 54.

The spelling of 40746208548420 in words is "forty trillion, seven hundred forty-six billion, two hundred eight million, five hundred forty-eight thousand, four hundred twenty".