1534465920 has 192 divisors, whose sum is σ = 5297410800. Its totient is φ = 377634816.

The previous prime is 1534465843. The next prime is 1534465927. The reversal of 1534465920 is 295644351.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534465927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322116 + ... + 326844.

Almost surely, 2^1534465920 is an apocalyptic number.

1534465920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1534465920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2648705400).

1534465920 is an abundant number, since it is smaller than the sum of its proper divisors (3762944880).

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

1534465920 is a wasteful number, since it uses less digits than its factorization.

1534465920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777 (or 4752 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 1534465920 is about 39172.2595723045. The cubic root of 1534465920 is about 1153.4154091597.

The spelling of 1534465920 in words is "one billion, five hundred thirty-four million, four hundred sixty-five thousand, nine hundred twenty".