2105032354040 has 96 divisors (see below), whose sum is σ = 6010472775600. Its totient is φ = 656113973760.

The previous prime is 2105032353989. The next prime is 2105032354079. The reversal of 2105032354040 is 404532305012.

It is a happy number.

It is a super-2 number, since 2×2105032354040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2105032353994 and 2105032354012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48796445 + ... + 48839564.

Almost surely, 2^{2105032354040} is an apocalyptic number.

2105032354040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105032354040 is an abundant number, since it is smaller than the sum of its proper divisors (3905440421560).

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

2105032354040 is a wasteful number, since it uses less digits than its factorization.

2105032354040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97636045 (or 97636034 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 2105032354040 its reverse (404532305012), we get a palindrome (2509564659052).

The spelling of 2105032354040 in words is "two trillion, one hundred five billion, thirty-two million, three hundred fifty-four thousand, forty".