1542827420 has 48 divisors (see below), whose sum is σ = 3299123520. Its totient is φ = 605961216.

The previous prime is 1542827413. The next prime is 1542827423. The reversal of 1542827420 is 247282451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542827423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243209 + ... + 249471.

It is an arithmetic number, because the mean of its divisors is an integer number (68731740).

Almost surely, 2^1542827420 is an apocalyptic number.

1542827420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542827420 is an abundant number, since it is smaller than the sum of its proper divisors (1756296100).

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

1542827420 is a wasteful number, since it uses less digits than its factorization.

1542827420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494 (or 6492 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 1542827420 is about 39278.8418872044. The cubic root of 1542827420 is about 1155.5066510300.

The spelling of 1542827420 in words is "one billion, five hundred forty-two million, eight hundred twenty-seven thousand, four hundred twenty".