1542051632 has 80 divisors (see below), whose sum is σ = 3327537024. Its totient is φ = 686400000.

The previous prime is 1542051619. The next prime is 1542051703. The reversal of 1542051632 is 2361502451.

It is a junction number, because it is equal to n+sod(n) for n = 1542051595 and 1542051604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2959532 + ... + 2960052.

Almost surely, 2^1542051632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542051632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663768512).

1542051632 is an abundant number, since it is smaller than the sum of its proper divisors (1785485392).

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

1542051632 is a wasteful number, since it uses less digits than its factorization.

1542051632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1542051632 is about 39268.9652524739. The cubic root of 1542051632 is about 1155.3129420694.

The spelling of 1542051632 in words is "one billion, five hundred forty-two million, fifty-one thousand, six hundred thirty-two".