40262260440 has 32 divisors (see below), whose sum is σ = 120786781680. Its totient is φ = 10736602752.

The previous prime is 40262260421. The next prime is 40262260447. The reversal of 40262260440 is 4406226204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40262260398 and 40262260407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40262260447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167759299 + ... + 167759538.

Almost surely, 2^40262260440 is an apocalyptic number.

40262260440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40262260440 is an abundant number, since it is smaller than the sum of its proper divisors (80524521240).

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

40262260440 is a wasteful number, since it uses less digits than its factorization.

40262260440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335518851 (or 335518847 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40262260440 its reverse (4406226204), we get a palindrome (44668486644).

The spelling of 40262260440 in words is "forty billion, two hundred sixty-two million, two hundred sixty thousand, four hundred forty".