1542372380 has 24 divisors (see below), whose sum is σ = 3326523648. Its totient is φ = 600274368.

The previous prime is 1542372371. The next prime is 1542372383. The reversal of 1542372380 is 832732451.

It is a self number, because there is not a number n which added to its sum of digits gives 1542372380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542372383) 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 7 ways as a sum of consecutive naturals, for example, 1041404 + ... + 1042883.

It is an arithmetic number, because the mean of its divisors is an integer number (138605152).

Almost surely, 2^1542372380 is an apocalyptic number.

1542372380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542372380 is an abundant number, since it is smaller than the sum of its proper divisors (1784151268).

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

1542372380 is a wasteful number, since it uses less digits than its factorization.

1542372380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084333 (or 2084331 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1542372380 is about 39273.0490285641. The cubic root of 1542372380 is about 1155.3930385284.

The spelling of 1542372380 in words is "one billion, five hundred forty-two million, three hundred seventy-two thousand, three hundred eighty".