40120142030 has 64 divisors (see below), whose sum is σ = 75791020032. Its totient is φ = 15271787520.

The previous prime is 40120142011. The next prime is 40120142053. The reversal of 40120142030 is 3024102104.

40120142030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15098462 + ... + 15101118.

It is an arithmetic number, because the mean of its divisors is an integer number (1184234688).

Almost surely, 2^40120142030 is an apocalyptic number.

40120142030 is a deficient number, since it is larger than the sum of its proper divisors (35670878002).

40120142030 is a wasteful number, since it uses less digits than its factorization.

40120142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40120142030 its reverse (3024102104), we get a palindrome (43144244134).

The spelling of 40120142030 in words is "forty billion, one hundred twenty million, one hundred forty-two thousand, thirty".