1542690441 has 10 divisors (see below), whose sum is σ = 2304513002. Its totient is φ = 1028460240.

The previous prime is 1542690421. The next prime is 1542690473. The reversal of 1542690441 is 1440962451.

1542690441 is a `hidden beast` number, since 154 + 2 + 69 + 0 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1511654400 + 31036041 = 38880^2 + 5571^2 .

It is not a de Polignac number, because 1542690441 - 2²⁶ = 1475581577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1542690396 and 1542690405.

It is not an unprimeable number, because it can be changed into a prime (1542690421) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9522700 + ... + 9522861.

Almost surely, 2^1542690441 is an apocalyptic number.

It is an amenable number.

1542690441 is a deficient number, since it is larger than the sum of its proper divisors (761822561).

1542690441 is an equidigital number, since it uses as much as digits as its factorization.

1542690441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19045573 (or 19045564 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1542690441 is about 39277.0981743815. The cubic root of 1542690441 is about 1155.4724530313.

The spelling of 1542690441 in words is "one billion, five hundred forty-two million, six hundred ninety thousand, four hundred forty-one".