1552419540 has 192 divisors, whose sum is σ = 5648670720. Its totient is φ = 346550400.

The previous prime is 1552419511. The next prime is 1552419553. The reversal of 1552419540 is 459142551.

1552419540 is a `hidden beast` number, since 1 + 5 + 524 + 1 + 95 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1552419495 and 1552419504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 157765 + ... + 167315.

It is an arithmetic number, because the mean of its divisors is an integer number (29420160).

Almost surely, 2^1552419540 is an apocalyptic number.

1552419540 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 1552419540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824335360).

1552419540 is an abundant number, since it is smaller than the sum of its proper divisors (4096251180).

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

1552419540 is a wasteful number, since it uses less digits than its factorization.

1552419540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619 (or 9611 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1552419540 is about 39400.7555765115. The cubic root of 1552419540 is about 1157.8963906334.

The spelling of 1552419540 in words is "one billion, five hundred fifty-two million, four hundred nineteen thousand, five hundred forty".