40297262544 has 120 divisors (see below), whose sum is σ = 140604340032. Its totient is φ = 10466818560.

The previous prime is 40297262543. The next prime is 40297262561. The reversal of 40297262544 is 44526279204.

40297262544 is a `hidden beast` number, since 40 + 2 + 9 + 7 + 2 + 62 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40297262544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40297262543) 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 23 ways as a sum of consecutive naturals, for example, 1806069 + ... + 1828244.

Almost surely, 2^40297262544 is an apocalyptic number.

40297262544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40297262544 is an abundant number, since it is smaller than the sum of its proper divisors (100307077488).

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

40297262544 is a wasteful number, since it uses less digits than its factorization.

40297262544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634345 (or 3634336 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 40297262544 in words is "forty billion, two hundred ninety-seven million, two hundred sixty-two thousand, five hundred forty-four".