4020540400350 has 108 divisors (see below), whose sum is σ = 11187174636456. Its totient is φ = 1035173522880.

The previous prime is 4020540400339. The next prime is 4020540400369. The reversal of 4020540400350 is 530040450204.

4020540400350 is a `hidden beast` number, since 4 + 0 + 205 + 4 + 0 + 400 + 3 + 50 = 666.

It is a super-2 number, since 2×4020540400350² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 4933402 + ... + 5690301.

Almost surely, 2^{4020540400350} is an apocalyptic number.

4020540400350 is an abundant number, since it is smaller than the sum of its proper divisors (7166634236106).

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

4020540400350 is a wasteful number, since it uses less digits than its factorization.

4020540400350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623779 (or 10623742 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 4020540400350 its reverse (530040450204), we get a palindrome (4550580850554).

The spelling of 4020540400350 in words is "four trillion, twenty billion, five hundred forty million, four hundred thousand, three hundred fifty".