1465243353240 has 64 divisors (see below), whose sum is σ = 4467791230560. Its totient is φ = 384326123520.

The previous prime is 1465243353229. The next prime is 1465243353241. The reversal of 1465243353240 is 423533425641.

It is a junction number, because it is equal to n+sod(n) for n = 1465243353192 and 1465243353201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465243353241) 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, 100077609 + ... + 100092248.

Almost surely, 2^{1465243353240} is an apocalyptic number.

1465243353240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1465243353240 is an abundant number, since it is smaller than the sum of its proper divisors (3002547877320).

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

1465243353240 is a wasteful number, since it uses less digits than its factorization.

1465243353240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200169932 (or 200169928 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 1465243353240 its reverse (423533425641), we get a palindrome (1888776778881).

The spelling of 1465243353240 in words is "one trillion, four hundred sixty-five billion, two hundred forty-three million, three hundred fifty-three thousand, two hundred forty".