1542040465 has 8 divisors (see below), whose sum is σ = 2114798400. Its totient is φ = 1057399152.

The previous prime is 1542040457. The next prime is 1542040499. The reversal of 1542040465 is 5640402451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1542040465 - 2³ = 1542040457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22029115 + ... + 22029184.

It is an arithmetic number, because the mean of its divisors is an integer number (264349800).

Almost surely, 2^1542040465 is an apocalyptic number.

It is an amenable number.

1542040465 is a deficient number, since it is larger than the sum of its proper divisors (572757935).

1542040465 is an equidigital number, since it uses as much as digits as its factorization.

1542040465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44058311.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1542040465 is about 39268.8230661424. The cubic root of 1542040465 is about 1155.3101532716.

The spelling of 1542040465 in words is "one billion, five hundred forty-two million, forty thousand, four hundred sixty-five".