40303020030 has 64 divisors (see below), whose sum is σ = 119048928768. Its totient is φ = 8503493760.

The previous prime is 40303020013. The next prime is 40303020031. The reversal of 40303020030 is 3002030304.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40303019991 and 40303020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303020031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7378776 + ... + 7384235.

It is an arithmetic number, because the mean of its divisors is an integer number (1860139512).

Almost surely, 2^40303020030 is an apocalyptic number.

40303020030 is an abundant number, since it is smaller than the sum of its proper divisors (78745908738).

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

40303020030 is a wasteful number, since it uses less digits than its factorization.

40303020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14763041.

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 40303020030 its reverse (3002030304), we get a palindrome (43305050334).

The spelling of 40303020030 in words is "forty billion, three hundred three million, twenty thousand, thirty".