1540331034 has 16 divisors (see below), whose sum is σ = 3360722400. Its totient is φ = 466766960.

The previous prime is 1540331033. The next prime is 1540331081. The reversal of 1540331034 is 4301330451.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1540330995 and 1540331013.

It is not an unprimeable number, because it can be changed into a prime (1540331033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11669109 + ... + 11669240.

It is an arithmetic number, because the mean of its divisors is an integer number (210045150).

Almost surely, 2^1540331034 is an apocalyptic number.

1540331034 is an abundant number, since it is smaller than the sum of its proper divisors (1820391366).

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

1540331034 is a wasteful number, since it uses less digits than its factorization.

1540331034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23338365.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1540331034 is about 39247.0512777712. The cubic root of 1540331034 is about 1154.8830885581.

Adding to 1540331034 its reverse (4301330451), we get a palindrome (5841661485).

The spelling of 1540331034 in words is "one billion, five hundred forty million, three hundred thirty-one thousand, thirty-four".