2431511202040 has 32 divisors (see below), whose sum is σ = 5477851864080. Its totient is φ = 971368630272.

The previous prime is 2431511202011. The next prime is 2431511202083. The reversal of 2431511202040 is 402021151342.

It is a junction number, because it is equal to n+sod(n) for n = 2431511201996 and 2431511202014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38588457 + ... + 38651416.

Almost surely, 2^{2431511202040} is an apocalyptic number.

2431511202040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431511202040 is an abundant number, since it is smaller than the sum of its proper divisors (3046340662040).

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

2431511202040 is a wasteful number, since it uses less digits than its factorization.

2431511202040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77240671 (or 77240667 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2431511202040 its reverse (402021151342), we get a palindrome (2833532353382).

The spelling of 2431511202040 in words is "two trillion, four hundred thirty-one billion, five hundred eleven million, two hundred two thousand, forty".