40378801490 has 8 divisors (see below), whose sum is σ = 72681842700. Its totient is φ = 16151520592.

The previous prime is 40378801471. The next prime is 40378801499. The reversal of 40378801490 is 9410887304.

40378801490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39986801089 + 392000401 = 199967^2 + 19799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40378801499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018940065 + ... + 2018940084.

Almost surely, 2^40378801490 is an apocalyptic number.

40378801490 is a deficient number, since it is larger than the sum of its proper divisors (32303041210).

40378801490 is a wasteful number, since it uses less digits than its factorization.

40378801490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037880156.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 40378801490 in words is "forty billion, three hundred seventy-eight million, eight hundred one thousand, four hundred ninety".