40288460348 has 18 divisors (see below), whose sum is σ = 72009826896. Its totient is φ = 19714282744.

The previous prime is 40288460321. The next prime is 40288460353. The reversal of 40288460348 is 84306488204.

It is a super-2 number, since 2×40288460348² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2744813 + ... + 2759451.

Almost surely, 2^40288460348 is an apocalyptic number.

It is an amenable number.

40288460348 is a deficient number, since it is larger than the sum of its proper divisors (31721366548).

40288460348 is an frugal number, since it uses more digits than its factorization.

40288460348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29329 (or 14688 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 47.

Multiplying 40288460348 by its sum of digits (47), we get a square (1893557636356 = 1376066²).

40288460348 divided by its sum of digits (47) gives a square (857201284 = 29278²).

The spelling of 40288460348 in words is "forty billion, two hundred eighty-eight million, four hundred sixty thousand, three hundred forty-eight".