740040423900 has 288 divisors, whose sum is σ = 2187551654400. Its totient is φ = 193133445120.

The previous prime is 740040423853. The next prime is 740040423901. The reversal of 740040423900 is 9324040047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740040423901) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1099613964 + ... + 1099614636.

Almost surely, 2^740040423900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740040423900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093775827200).

740040423900 is an abundant number, since it is smaller than the sum of its proper divisors (1447511230500).

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

740040423900 is a wasteful number, since it uses less digits than its factorization.

740040423900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 740040423900 its reverse (9324040047), we get a palindrome (749364463947).

The spelling of 740040423900 in words is "seven hundred forty billion, forty million, four hundred twenty-three thousand, nine hundred".