2040401542 has 8 divisors (see below), whose sum is σ = 3064584600. Its totient is φ = 1018873344.

The previous prime is 2040401537. The next prime is 2040401549. The reversal of 2040401542 is 2451040402.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040401549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661792 + ... + 664867.

It is an arithmetic number, because the mean of its divisors is an integer number (383073075).

Almost surely, 2^2040401542 is an apocalyptic number.

2040401542 is a deficient number, since it is larger than the sum of its proper divisors (1024183058).

2040401542 is a wasteful number, since it uses less digits than its factorization.

2040401542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327430.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2040401542 is about 45170.8040884818. The cubic root of 2040401542 is about 1268.3483483174.

Adding to 2040401542 its reverse (2451040402), we get a palindrome (4491441944).

The spelling of 2040401542 in words is "two billion, forty million, four hundred one thousand, five hundred forty-two".