3540418250440 has 64 divisors (see below), whose sum is σ = 8316137496960. Its totient is φ = 1353967211520.

The previous prime is 3540418250431. The next prime is 3540418250441. The reversal of 3540418250440 is 440528140453.

It is a happy number.

It is a super-2 number, since 2×3540418250440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3540418250393 and 3540418250402.

It is not an unprimeable number, because it can be changed into a prime (3540418250441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097727 + ... + 2878513.

It is an arithmetic number, because the mean of its divisors is an integer number (129939648390).

Almost surely, 2^{3540418250440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3540418250440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4158068748480).

3540418250440 is an abundant number, since it is smaller than the sum of its proper divisors (4775719246520).

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

3540418250440 is a wasteful number, since it uses less digits than its factorization.

3540418250440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782982 (or 1782978 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 3540418250440 in words is "three trillion, five hundred forty billion, four hundred eighteen million, two hundred fifty thousand, four hundred forty".