1534505340 has 48 divisors (see below), whose sum is σ = 4549360032. Its totient is φ = 385130496.

The previous prime is 1534505293. The next prime is 1534505347. The reversal of 1534505340 is 435054351.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1534505298 and 1534505307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534505347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751189 + ... + 753228.

It is an arithmetic number, because the mean of its divisors is an integer number (94778334).

Almost surely, 2^1534505340 is an apocalyptic number.

1534505340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534505340 is an abundant number, since it is smaller than the sum of its proper divisors (3014854692).

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

1534505340 is a wasteful number, since it uses less digits than its factorization.

1534505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504446 (or 1504444 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1534505340 is about 39172.7627312652. The cubic root of 1534505340 is about 1153.4252860481.

Adding to 1534505340 its reverse (435054351), we get a palindrome (1969559691).

The spelling of 1534505340 in words is "one billion, five hundred thirty-four million, five hundred five thousand, three hundred forty".