1965415452 has 96 divisors (see below), whose sum is σ = 6157423104. Its totient is φ = 471225600.

The previous prime is 1965415447. The next prime is 1965415471. The reversal of 1965415452 is 2545145691.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69799 + ... + 93822.

It is an arithmetic number, because the mean of its divisors is an integer number (64139824).

Almost surely, 2^1965415452 is an apocalyptic number.

1965415452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1965415452 is an abundant number, since it is smaller than the sum of its proper divisors (4192007652).

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

1965415452 is a wasteful number, since it uses less digits than its factorization.

1965415452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163659 (or 163657 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 1965415452 is about 44333.0063496713. The cubic root of 1965415452 is about 1252.6164824875.

The spelling of 1965415452 in words is "one billion, nine hundred sixty-five million, four hundred fifteen thousand, four hundred fifty-two".