40740404070040 has 32 divisors (see below), whose sum is σ = 96490430694000. Its totient is φ = 15438468910464.

The previous prime is 40740404070029. The next prime is 40740404070061. The reversal of 40740404070040 is 4007040404704.

It is a junction number, because it is equal to n+sod(n) for n = 40740404069978 and 40740404070005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26802896655 + ... + 26802898174.

Almost surely, 2^{40740404070040} is an apocalyptic number.

40740404070040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40740404070040 is an abundant number, since it is smaller than the sum of its proper divisors (55750026623960).

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

40740404070040 is a wasteful number, since it uses less digits than its factorization.

40740404070040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53605794859 (or 53605794855 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 34.

Adding to 40740404070040 its reverse (4007040404704), we get a palindrome (44747444474744).

The spelling of 40740404070040 in words is "forty trillion, seven hundred forty billion, four hundred four million, seventy thousand, forty".