40280280462 has 48 divisors (see below), whose sum is σ = 88862417280. Its totient is φ = 13182940176.

The previous prime is 40280280461. The next prime is 40280280503. The reversal of 40280280462 is 26408208204.

It is a happy number.

40280280462 is a `hidden beast` number, since 40 + 2 + 80 + 2 + 80 + 462 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40280280461) 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, 855343 + ... + 901205.

It is an arithmetic number, because the mean of its divisors is an integer number (1851300360).

Almost surely, 2^40280280462 is an apocalyptic number.

40280280462 is an abundant number, since it is smaller than the sum of its proper divisors (48582136818).

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

40280280462 is a wasteful number, since it uses less digits than its factorization.

40280280462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46757 (or 46754 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

Adding to 40280280462 its reverse (26408208204), we get a palindrome (66688488666).

The spelling of 40280280462 in words is "forty billion, two hundred eighty million, two hundred eighty thousand, four hundred sixty-two".